toughness

1.Good toughness and thermal cracking resistance.Used in the stands of prefinish rolling.Suitable for hot rolling thread steel.

具有优良的性和抗热烈纹能力,用于预精轧机架和热轧螺纹钢.

2.A high K ratio method for fatigue precracking in welding position toughness specimen of thick steel plate was developed.

提出了预制厚钢板焊缝断裂度试样疲劳裂纹的“高K比法”。

3.Glass fiber is used to reinforce material for increasing toughness, flexural strength, and tensibility in unsaturated polymer modified concrete.

玻璃纤维则是作为强化材,以增加水泥浆体的性及抗弯、抗拉等机械性质。

4.The toughness may be well improved by postheat treatment which is large in energy consumption and long in working period.

焊后热处理可以较善焊接接头的性，但存在耗能大、工时长等问题。

5.It is shown that the fracture properties are determined by materials strength before tufftride process and by materials toughness after tufftride process.

疲劳最后断裂性质取决于材料的强度和性。

6.It is proved that the pressmark of tooth root, the state of carbide and remanentelements in the material have different effects on the toughness of POwer hacksaw blades.

结果证明，机用锯条的分齿压痕、基体碳化物状况以及材料中的残存元素等对机用锯条的性有不同程度的影响。

7.Results showed that the flexual strength and the flexual toughness index of UHPC become more than 2 times and 10 times respectively of those 0f the matrix concrete by the reinforcement of fibers.

结果表明通过纤维的增强和增作用，超高性能混凝土的抗弯强度和弯曲性指数分别提高到2倍和10倍以上。